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• There are four phases to PCP abuse. The first phase is acute toxicity. It can last up to 3<br />

days and can include combativeness, catatonia, convulsions, and coma. Distortions of<br />

size, shape, and distance perception are common. The second phase, which does not<br />

always follow the first, is a toxic psychosis. Users may experience visual and auditory<br />

delusions, paranoia, and agitation. The third phase is a drug-induced schizophrenia that<br />

may last a month or longer. The fourth phase is PCP-induced depression. Suicidal<br />

tendencies and mental dysfunction can last for months.<br />

Workplace Issues<br />

• PCP abuse is less common today than in recent years. It is also not generally used in a<br />

workplace setting because of the severe disorientation that occurs.<br />

Appendix F. Fact Sheets F-14 August 2002

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